She is older than Faolain. She has a willowy neck, coppery skin and is very graceful. (TDR,Ch11) She is apple-cheeked. (LoC,Ch8)
Chronology
Theodrin learns early that she can make men do what she wants. (LoC,Ch8)
Theodrin comes to the White Tower at age fifteen with a block. She cannot channel unless she is near a man she feels strongly about. Sheriam uses a handsome stable hand, Charel, and his twin sister Marel to break Theodrin's block. (LoC,Ch8)
Theodrin chastises Nynaeve for avoiding her. She tells Nynaeve the story of how her own block was broken. (LoC,Ch8)
Theodrin catches Nynaeve eavesdropping at a window of the Little Tower but does nothing about it. (LoC,Ch12)
Theodrin tries shock treatment on Nynaeve's block and they wind up punching each other. She tells Nynaeve to stay up all night so they can try exhaustion next. (LoC,Ch13)
Theodrin helps with the cleanup after the attack of the bubble of evil. (LoC,Ch14)
Theodrin tries a little wine to relax Nynaeve, but she overindulges and gets drunk. (LoC,Ch29)